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Dorma RTS88-Kit 27

Offset Slide Arm, Steel Door and Frame - Hinges/Pivots, Complete Overhead Closer

SKU: RTS88-Kit 27 can include all components

Starting price: $411.00 /each

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Dorma RTS88-kit 27 complete overhead closer kit. Interior or exterior single-acting steel door and frame hung with 4-1/2" hinges or 3/4" offset pivots. Package includes closer body, slide arm, mounting channel and cover plate. Complete closer packages can include everything that you need for a new installation. Maximum door weight of 250 lbs.

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Price: $411.00

Choose Options

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Use the menu on the right to select available options.
After all options have been chosen, you can add to cart.

Choose Components:

1) Mounting Channel For Steel Header:

Mounting Channel for Steel Header image
Buy Separately

2) Cover Plate:

Cover Plate image
Buy Separately

3) Offset Slide Arm and Channel:

Offset Slide Arm and Channel image
Buy Separately

4) RTS88 Closer Body:

Overhead Concealed Door Closer Body image
Buy Separately

Choose Finish:

605 - Polished Brass 605 - Polished Brass
625 - Polished Chrome 625 - Polished Chrome
626 - Satin Chrome 626 - Satin Chrome
613 - Dark Bronze 613 - Dark Bronze

Choose Hold Open:

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Hold Open - 90 degrees (HO90)
No Hold Open - 90 degrees (NHO)
Hold Open - 105 degrees (HO105)
No Hold Open - 105 degrees (NHO)

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Hold open - a mechanism within a closer which allows a door to remain in an open position.

Hold open closers are not permitted for use on fire rated doors.


Choose Spring Size:

Size 3
Size 4

Help Me Decide

  • Size 3
    • Exterior Doors over 2'-6" to 3'-0"
    • Interior Doors over 3'-0" to 3'-6"
  • Size 4
    • Exterior Doors over 3’0”- 3’6”
    • Interior Doors over 3’6”- 4’0”

Maximum door widths and recommended sizes shown are for average conditions. If there are unusual site conditions, e.g. high or exceptionally heavy doors or wind pressure, the next stronger spring size should be selected.



  • Contains the components necessary for installing the RTS Series closer in a steel header.
  • Offset Slide Arm
  • Templating is provided for both 4-1/2" wide butt hinges and 3/4" offset pivots.
  • Single acting
  • Kit consists of
    #1 - 8532 Closer Mounting Channel
    #2 - RTS Closer
    #3 - 8575 Cover Plate
    #4 - 8812 Slide Arm

    You are ordering a complete overhead closer package. For details on any components, including options, specifications and templates - click on "purchase this item".

    Be sure to select any optional components shown at the bottom You can de-select a component that you don't need and it will be deducted from the total.

    To purchase individual components only, click on the link to purchase.

Available Options: Choose Options Above

  • Finish:

  • Hold Open: info icon

    • Hold Open - 90 degrees (HO90)
    • No Hold Open - 90 degrees (NHO)
    • Hold Open - 105 degrees (HO105)
    • No Hold Open - 105 degrees (NHO)
  • Spring Size: info icon

    • Size 3
    • Size 4



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